diff options
| author | David Gwynne <dlg@cvs.openbsd.org> | 2018-03-01 00:27:02 +0000 |
|---|---|---|
| committer | David Gwynne <dlg@cvs.openbsd.org> | 2018-03-01 00:27:02 +0000 |
| commit | 5e89f0d8aed204688ff3a1778292da51302cbb86 (patch) | |
| tree | a71d1a0cc03220ef7daeda6b8ae8e397e3f7cf1f /sys/net/if_gre.c | |
| parent | 78a2d00c461731c87f020dd2d7f1b4aacf1e086b (diff) | |
copy p2p_rtrequest to mgre_rtrequest, so it can be tweaked
Diffstat (limited to 'sys/net/if_gre.c')
| -rw-r--r-- | sys/net/if_gre.c | 48 |
1 files changed, 46 insertions, 2 deletions
diff --git a/sys/net/if_gre.c b/sys/net/if_gre.c index 6e44d4a78c5..c4828ba4a30 100644 --- a/sys/net/if_gre.c +++ b/sys/net/if_gre.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_gre.c,v 1.119 2018/02/27 22:36:38 dlg Exp $ */ +/* $OpenBSD: if_gre.c,v 1.120 2018/03/01 00:27:01 dlg Exp $ */ /* $NetBSD: if_gre.c,v 1.9 1999/10/25 19:18:11 drochner Exp $ */ /* @@ -302,6 +302,7 @@ static int mgre_clone_destroy(struct ifnet *); struct if_clone mgre_cloner = IF_CLONE_INITIALIZER("mgre", mgre_clone_create, mgre_clone_destroy); +static void mgre_rtrequest(struct ifnet *, int, struct rtentry *); static int mgre_output(struct ifnet *, struct mbuf *, struct sockaddr *, struct rtentry *); static void mgre_start(struct ifnet *); @@ -563,7 +564,7 @@ mgre_clone_create(struct if_clone *ifc, int unit) ifp->if_mtu = GREMTU; ifp->if_flags = 0; /* it's not p2p, and can't mcast or bcast */ ifp->if_xflags = IFXF_CLONED; - ifp->if_rtrequest = p2p_rtrequest; /* maybe? */; + ifp->if_rtrequest = mgre_rtrequest; ifp->if_output = mgre_output; ifp->if_start = mgre_start; ifp->if_ioctl = mgre_ioctl; @@ -1487,6 +1488,49 @@ gre_start(struct ifnet *ifp) } } +void +mgre_rtrequest(struct ifnet *ifp, int req, struct rtentry *rt) +{ + struct ifnet *lo0ifp; + struct ifaddr *ifa, *lo0ifa; + + switch (req) { + case RTM_ADD: + if (!ISSET(rt->rt_flags, RTF_LOCAL)) + break; + + TAILQ_FOREACH(ifa, &ifp->if_addrlist, ifa_list) { + if (memcmp(rt_key(rt), ifa->ifa_addr, + rt_key(rt)->sa_len) == 0) + break; + } + + if (ifa == NULL) + break; + + KASSERT(ifa == rt->rt_ifa); + + lo0ifp = if_get(rtable_loindex(ifp->if_rdomain)); + KASSERT(lo0ifp != NULL); + TAILQ_FOREACH(lo0ifa, &lo0ifp->if_addrlist, ifa_list) { + if (lo0ifa->ifa_addr->sa_family == + ifa->ifa_addr->sa_family) + break; + } + if_put(lo0ifp); + + if (lo0ifa == NULL) + break; + + rt->rt_flags &= ~RTF_LLINFO; + break; + case RTM_DELETE: + case RTM_RESOLVE: + default: + break; + } +} + static int mgre_output(struct ifnet *ifp, struct mbuf *m, struct sockaddr *dest, struct rtentry *rt0) |